Question
Compare the upper middle and lower courses of a river according to predominant action and features produced.
Answer
Comparison of the upper, middle, and lower courses of a river:
Course | Predominant Action | Features Produced |
---|---|---|
Upper Course | Vertical Erosion | V-shaped valleys, Interlocking spurs, Waterfalls, Rapids, Gorges, Potholes |
Middle Course | Lateral Erosion | Floodplains, Meanders, Oxbow lakes, Levees |
Lower Course | Deposition | Deltas, Estuaries, Floodplains, Meanders, Braided channels |